期刊
PHYSICAL REVIEW LETTERS
卷 93, 期 8, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.93.080501
关键词
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Given many realizations of a state or a channel as a resource, two parties can generate a secret key as well as entanglement. We describe protocols to perform the secret key distillation (as it turns out, with optimal rate). Then we show how to achieve optimal entanglement generation rates by coherent implementation of a class of secret key agreement protocols, proving the long-conjectured hashing inequality.
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